Skip to content 
Occupational Therapy Billing Services
Credex Healthcare handles occupational therapy billing for private OT clinics, hospital outpatient therapy departments, skilled nursing facilities, pediatric therapy centers, and home health OT programs. We built our process around the three problems that drain OT revenue fastest: evaluation coding errors, therapy cap compliance gaps, and prior authorizations that lapse before treatment begins.
The result is a billing operation that runs cleaner. Fewer administrative fires, better documentation habits across your clinical team, more time for patient care, and a HIPAA-compliant process underneath all of it.
Features
What Sets Us Apart
94%
First-pass claim approval rate
< 30 Days
Average OT billing turnaround
50+ Payers
Medicare, Medicaid & commercial networks
Zero-gap
Therapy cap tracking & prior authorization management
Our Story
Occupational Therapy Billing Services You Can Rely On
Credex Healthcare runs a dedicated occupational therapy billing process that reviews each session note before the charge entry. Our occupational therapists (OTs) make sure that the evaluation code fits the paperwork by looking at the patient’s job description, the number of performance areas that were tested, and the clinical logic that was put in the report. The same care is taken with treatment numbers. We make sure that the time-based units match the minutes written in the note, and we make sure that the GP tag is added to all Medicare outpatient claims that need it. None of this is up to you at size. A mistake in the time documentation on a single 97530 code can cost you a lot of money over the course of a month. If this happens 200 times, no one on your team will notice until it’s too late.
Our occupational therapy billing services in the USA cover the following:
OT Claims Submission
Before a claim leaves our office, we make sure that the CPT code is correct, that the evaluation complexity is correct, that the time-based units are supported by proof, and that the GP tag is in place on Medicare outpatient lines. So, we keep an eye on the adjudication as it happens and check in before any due dates for filing get close.
Insurance Payer Enrollment
We manage OTs and OTAs signed up with Medicare, Medicaid, and private carriers. This includes the supervision paperwork for OTA bills, so your business stays in line with Medicare's new payment structure from the start.
Denial Management for OT Claims
Denied OT claims are reviewed within 48 hours. We fix the problem at its source and resend with the exact clinical documentation the payer wants to see. This could be because of a lack of time documentation, the wrong evaluation level, a missing authorization, or a treatment cap violation.
OT Coding & Documentation Review
Some of the CPT codes that certified coders check are 97165, 97166, 97167, 97530, and 97535. The code and the units actually billed are used to check the evaluation's difficulty, time spent, and written functional goals.
Prior Authorization for Therapy Services
Many private insurance plans and some Medicaid programs need to approve an OT treatment plan before it can be used. This is true even after the first evaluation. We ask for and keep track of those permissions before the first visit, that way a missed permission never turns into a rejection.
OT Revenue Cycle Management
When you use full-cycle RCM, it checks to see if the patient is eligible, looks over all the paperwork that is related to the treatment plan, charges based on time, keeps track of the KX modifier and therapy cap, posts payments, and sends reports to your managers every cycle with real collections data by payer.
OCCUPATIONAL THERAPY BILLING COMPANY IN USA
Nationwide Occupational Therapy Billing Services Coverage
Rules often change without much notice. CMS changes its billing guidelines for occupational therapy, and commercial payers change what they need in order to approve OT treatment plans. Credex Healthcare keeps track of all of these changes across the entire set of occupational therapy CPT codes, no matter where in the country your practice is located. According to Medicare, classes must be medically required and patients must show measurable improvement toward functional goals. Any service provided by an OTA is billed with the CQ tag at 85% of the normal OT rate. If any of those things are wrong in a busy private practice, the risk of not following the rules grows until an audit finds it.
Medicare OT Billing
Part B covers manual therapy when it is medically necessary and there is proof of a functional limitation. We handle the modifier logic ourselves, giving GP on all lines that apply, KX when the therapy cap is reached, and CQ for any services an OTA provides. We also keep track of each Medicare patient's annual cap status so you don't have to.
Medicaid OT Billing
Occupational therapy rules for Medicaid vary by state and by type of patient. For kids, there are school-based programs, early intervention programs, and special programs, and each has its own payment rules. We keep track of the different rules for each state and always use the right one for each claim.
Pediatric & School-Based OT Billing
There isn't a set of rules that all outpatient centers, school programs, and early intervention agencies must follow. There are different numbers, different standards for payers, and different demands for documents. A lot of the time, school-based OT has its own Medicaid billing process. We make sure that all of these places follow the right steps for pediatric billing.
SNF & Home Health OT Billing
The PDPM bundle in Medicare Part A is used by skilled nursing facilities to bill for OT. It is the OASIS-based episode payment approach that is used for home health instead. There are two totally different systems, each with its own paperwork requirements and payment due dates. We bill each one using the right method for that system, rather than putting a standard outpatient method on either.
STATS
Our Occupational Therapy Billing Achievements
OT Claims Processed Monthly
Average Billing Turnaround
Payer Enrollment Success Rate
Faster Denial Resolution vs. In-House Billing
OT BILLING SPECIALIST REQUIREMENTS
End-to-end Occupational Therapy Insurance Billing Services
Right Documentation & Authorization
A few things can lead to an OT claim being denied: an evaluation that was billed at the wrong complexity level; time units that don't match the session note; a Medicare claim that doesn't have a GP modifier; a KX modifier that went over the therapy cap threshold; or a prior authorization that was never in place. All of those are checked for before a claim is sent out.
Provider NPI & Credential Verification
Before a claim is sent under a provider's number, we make sure that the OT or OTA is currently registered with the right payer, has the right specialty taxonomy, and is eligible to bill for Medicare Part B.
Evaluation Level Code Review
The tests in CPT 97165, 97166, and 97167 are for low, moderate, and high levels of difficulty. We compare the AMA label for the level that was billed with the job description, the amount of performance areas that were evaluated, and the clinical decisions that were made.
Time-Based Procedure Documentation Review
97530 and 97535 are billed in 15-minute chunks, and each chunk needs at least 8 minutes of one-on-one treatment time right after it. On every claim, we match the units billed to the treatment time that was written down in the note.
Medicare Modifier & Therapy Cap Compliance
Every Medicare outpatient OT line should have a GP on it. KX starts to work when the annual therapy limit is hit, proving that the patient needs to keep getting care. OTA-delivered services are marked by CQ. All three of them are kept track of for every Medicare user and are always used at the right time.
Prior Authorization Tracking
The state of previous authorization is tracked by both the patient and the payer. If a business buyer needs PA after the initial evaluation, they send out a request before the first treatment session. Renewals are marked against the allowed visit count a long time before they run out.
Accounts Receivable Follow-Up
AR is looked over once a week. Unpaid claims are pursued before the deadline for filing them on time, and arguments about therapy caps or time paperwork are taken to the next level with the session note and the Medicare or payer policy that supports the original claim.
Strategic Insight
Specialized Occupational Therapy Billing Company in the USA
Everyone keeps making the same bills mistakes month after month until someone finally looks. Every new evaluation is shorted because one was coded as 97166 even though the note only shows a low-complexity job description that supports 97165. Three units were charged for a 97530 code, but the note only shows 38 minutes, so a full unit was not charged. A group of Medicare claims didn’t have a GP modifier because the billing template wasn’t set up to add it automatically. These are caught by Credex Healthcare when the charges are being made, before they have a chance to add up over a month of trips.
Claims Submission
Every time an OT sent is sent to Medicare, Medicaid, or a commercial payer, it is done correctly. This includes reviewing session notes, making sure that evaluations are correct, calculating time-based units, and filing electronically.
OT Coding & Documentation
Correct CPT codes, correct complexity levels, correctly estimated time-based units, and the right modifiers must be used regularly across all contact types and payers. This will stop paperwork mistakes from increasing your rejection rate.
Prior Authorization Management
We keep track of authorization from the first request to approval, making sure it stays in line with the treatment plan. We also start renewals before the number of allowed visits runs out, so no session is ever billed against an authorization that has ended or is missing.
Denial Management & Appeals
Disputes at the evaluation level, corrections to time documentation, modifier errors, and therapy cap appeals are all based on the language used in the session notes and the Medicare or payer policy that actually overturns the denial.
Credentialing & Payer Enrollment
OTA enrolment, setting up billing under the CQ modifier and its 85% payment rule, setting up a group NPI, and ongoing recredentialing are all taken care of so that staff changes or customer contract renewals never stop your billing.
Revenue Reporting & Analytics
You will get monthly reports on payments made by provider and payer, the spread of assessment codes, the correctness of time-based units, the state of the Medicare treatment cap, rejection trends by CPT code, and response time. This is the real information you need to run your business.
12+
Years of OT Billing Expertise
100%
Provider Enrollment & Credentialing Success
99%
Claim Compliance Rate Across All Payer
Credex Healthcare, Leading Occupational Therapy Billing Company
24/7 Support
Support Available for All Your Needs
100%
Customized OT Revenue Cycle Solutions
Specialties We are Offering
TESTIMONIAL
What Our Occupational Therapy Billing Clients Say About Us
OTD
Amara
“Our evaluation coding had a recurring problem. Therapists kept defaulting to 97166 for moderate complexity, but a real chunk of those evaluations only met the low-complexity bar under AMA criteria. Credex went through the evaluation documentation against the code descriptors, found that roughly 35% of our evaluations had been undercoded by one level, and fixed the selection criteria in our intake process. Honestly, the compliance side mattered just as much as the money. We had audit exposure we.”
Practice Manager
Sandra
“Pediatric OT billing gets messy fast when you’re running outpatient, school-based, and early intervention settings under one roof, since each has its own payer rules. Our team had been applying outpatient rules to school-based claims, and the Medicaid denials never stopped. Credex split the billing by setting, routed school-based claims through the correct Medicaid school pathway, and our pediatric Medicaid denial rate went from 22% down to under 5% within two months.”
Revenue Cycle Director
James
“When a patient went over the Medicare therapy cap, our team kept missing the KX modifier. Our billing system didn’t alert us when the cap was about to be reached, so therapists kept treating and billing without it. We had to appeal each denial one at a time. Credex added tracking of each patient’s treatment cap right into our process with an automatic KX modifier trigger, and the denials stopped right away. An important part of AR that had been in review was finally cleared.”
OTD
Chidera
“Hand therapy billing has its own code set, therapeutic exercise, manual therapy, splint fabrication, and most billing companies flatten it all together instead of treating each intervention correctly. Credex actually knew the hand therapy codes, applied them right for each service, and checked that our session note documentation supported the units we billed. My denial rate dropped from 17% to under 4%, and collections per visit went up too, since we’d been underbilling splint fabrication for who knows how long.”
CFO
Diallo
“Managing OT billing across four locations, each with its own mix of Medicare, Medicaid, and commercial payers, meant four separate authorization systems and zero consistency on modifier compliance. Credex standardized the whole workflow, built therapy cap tracking for every Medicare patient at all four sites, and gave us a monthly report showing unit accuracy and denial rates location by location. That consistency alone changed how we manage both compliance and collections.”
TIMELINE FOR OT BILLING
The Process of Occupational Therapy Billing
Step 1
Practice Assessment
First, we look at how you currently bill, make sure the codes are correct, see how time-based units are tracked, make sure Medicare modifiers are used correctly, keep track of therapy caps, look at prior authorization gaps, look at AR ageing by payer, and look at decline history by CPT code. This is where we find out where the money is going missing.
Step 2
Credentialing & Payer Enrollment
We make sure that every OT and OTA is constantly registered with every payer, using the right treatment taxonomy, and that Medicare CQ modifier billing is set up correctly. Before a single new claim is sent out, any holes in enrolment are filled.
Step 3
Compliance & Authorization Setup
The way your Medicare therapy cap is kept is mapped out, a calendar is made around the per-patient cap levels are set, and every payer that needs prior authorization for OT treatment plans is listed. Tracking is then set up so that no session is billed against a missing or outdated authorization.
Step 4
Clean Claim Submission
The evaluation complexity is matched with the minutes that were recorded, GP, KX, and CQ modifiers are checked, and claims are sent electronically for each visit to Medicare, Medicaid, and private insurers.
Step 5
Denial Management & Follow-Up
At every step, claims are tracked, and within 48 hours of a denial, they are looked over again. Disputes over evaluations, errors in time documentation, mistakes with modifiers, and appeals of authorization all have their own procedures that are based on the session documentation and the payer or Medicare policy that it is based on.
Step 6
Reporting & Ongoing Optimization
Every month, reports show how much money was collected by provider and payer, the spread of evaluation codes, the correctness of time-based units, the state of treatment cap compliance, rejection trends by CPT code, response time, and the age of outstanding claims. At the session-note level, mistakes in the documentation that lead to repeated denials are fixed.
Features
Your Occupational Therapy Revenue Cycle Management for OT Practices
It’s not enough to just pick a treatment process code and add the time for occupational therapy bills. Therapy limits need to be kept track of, treatment plans need to be approved ahead of time, assessments need to be done at the right level of difficulty, time-based units need to be estimated correctly, GP, KX, and CQ factors need to be used correctly, and OT vs. OTA payment rates need to be kept straight for every session. A billing company that only does one type of work uses the same standard process for all of them, so they miss the compliance details that are unique to occupational therapy. Our business is based on this specific area of expertise because people who know how to bill for occupational therapy in real outpatient situations are needed.
OT-Specific Billing Expertise
This is what we do; it's not an extra service we add on to our main billing job. There are three levels of evaluation complexity set by Medicare and the AMA. We know how the time-based rules work for 97530 and 97535, when therapy cap thresholds cause the KX modifier to be applied, and where occupational therapy billing usually goes wrong when it comes to recording sessions and charging for them. That level of expertise is what sets a true claim apart from one that comes back three weeks later.
Dedicated OT Account Management
Only one person in charge of paying owns your account. They know who your patients are, what kinds of insurance you have, if you have a therapy cap, and what kinds of claims keep getting turned down. The person who is in charge of your account knows about OT billing and how it works in a business setting.
Transparent Monthly Reporting
Your practice's real financial and compliance picture is shown in monthly reports. These reports include collections by provider and payer, evaluation code distribution, time-based unit accuracy, the state of the Medicare treatment cap, rejection rates by CPT code, and response time.
HIPAA-Compliant Operations
During the billing process, full HIPAA procedures protect therapy records, evaluation reports, and session notes. Every system that deals with your claims has strong security rules that only let people who need to can use them.
GET STARTED
Maximize Your Occupational Therapy Practice’s Revenue with Credex Healthcare
Every day, the same billing patterns cost OT firms money without them even realizing it. These patterns rarely look like mistakes. A review put the amount of difficulty one level higher than what the note allows. It shows three units on a code even though the session note only shows 38 minutes of one-on-one care. There was a GP modifier missing from a group of Medicare claims because the template was never checked. If any of these things happen hundreds of times a month, the effect will show up in your AR before anyone can figure out what caused it.
Credex Healthcare starts with a free review of your current OT billing, time-based unit documentation review, Medicare modifier compliance check, therapy cap tracking status, prior authorization gaps, and AR aging by payer. No commitment required to get that review. We identify recoverable revenue and the specific workflow corrections that prevent those losses from recurring.
FAQs
Frequently Asked Questions
What is occupational therapy billing and how does it work?
It is the job of occupational therapists and occupational therapy assistants (OTAs) to send bills for OT evaluation and treatment services to Medicare, Medicaid, and private payers. This is called “billing.” CPT codes are assigned to each session based on the types of services offered and the duration of each session. For example, initial exams are given evaluation codes at one of three difficulty levels, and treatment sessions are given time-based procedure codes that are paid in 15-minute increments. CMS’s therapy billing guidelines make sure that outpatient therapy billing is done correctly for Medicare. These guidelines state that each session must be medically necessary and show measured progress toward functional goals. They also say that functional limitations must be documented.
Which CPT codes are used in occupational therapy billing?
Evaluation codes and time-based treatment process numbers are used to bill for occupational therapy. At a low level of difficulty, CPT 97165 is the occupational therapy exam. CPT 97166 is an exam of middling difficulty. CPT 97167 is an exam with various moving parts. The level of difficulty is based on the patient’s job, the number of performance areas tested, and the clinical decisions made during the evaluation. Therapeutic tasks involving direct patient interaction for effective success are covered by CPT 97530. Self-care and home management training for activities of daily living and reintegrating back into the community are covered by CPT 97535.
Does Medicare cover occupational therapy services?
Yes. Medicare Part B covers private occupational therapy treatments that are medically necessary and are given by a trained OT or OTA. For coverage to apply, the patient’s health must be expected to improve, useful goals must be written down and measured, and success must be recorded by the therapist in each session. Medicare has an annual therapy cap that limits how much it will pay for PT and OT together. There is an exception process called the KX modifier that can be used when medically necessary treatment continues past the cap.
How long does occupational therapy billing reimbursement take?
Clean electronic Medicare claims typically process in 14 to 30 days when time units and modifiers are documented correctly. Commercial payers usually pay within 30 days when authorization is on file, and session notes back up the billed codes. Medicaid timelines vary by state, generally running 30 to 60 days. Credex Healthcare’s documentation review and modifier compliance checks keep most OT claims moving within these standard timelines.
articles
Our Latest Blogs
Key Takeaways AI and automation will become the norm in 2026, driven by healthcare practices’
Billing companies ensure compliance with HIPAA and other regulations by being legitimate and reliable. Every
Key Takeaways PR 31 denial code is sent by insurance payers to inform the provider
Schedule A Call With Our Team Today
Fill the form and someone from our team will get back to you. Or you can also call us on (833) 477-1261.